java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 23:33:33,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 23:33:33,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 23:33:33,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 23:33:33,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 23:33:33,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 23:33:33,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 23:33:33,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 23:33:33,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 23:33:33,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 23:33:33,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 23:33:33,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 23:33:33,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 23:33:33,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 23:33:33,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 23:33:33,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 23:33:33,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 23:33:33,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 23:33:33,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 23:33:33,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 23:33:33,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 23:33:33,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 23:33:33,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 23:33:33,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 23:33:33,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 23:33:33,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 23:33:33,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 23:33:33,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 23:33:33,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 23:33:33,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 23:33:33,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 23:33:33,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 23:33:33,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 23:33:33,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 23:33:33,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 23:33:33,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 23:33:33,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 23:33:33,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 23:33:33,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 23:33:33,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 23:33:33,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 23:33:33,629 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-02 23:33:33,645 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 23:33:33,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 23:33:33,645 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-02 23:33:33,646 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-02 23:33:33,646 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-02 23:33:33,647 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-02 23:33:33,647 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-02 23:33:33,647 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-02 23:33:33,647 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-02 23:33:33,647 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-02 23:33:33,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 23:33:33,648 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 23:33:33,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 23:33:33,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 23:33:33,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 23:33:33,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 23:33:33,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 23:33:33,650 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 23:33:33,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 23:33:33,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 23:33:33,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 23:33:33,650 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-02 23:33:33,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 23:33:33,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 23:33:33,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 23:33:33,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 23:33:33,652 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-02 23:33:33,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 23:33:33,652 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 23:33:33,652 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-02 23:33:33,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 23:33:33,693 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 23:33:33,697 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 23:33:33,698 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 23:33:33,699 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 23:33:33,699 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-10-02 23:33:33,776 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36ede018d/20cf6765473a49f2afc88fb31836551d/FLAG2f28f01b8 [2019-10-02 23:33:34,472 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 23:33:34,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-10-02 23:33:34,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36ede018d/20cf6765473a49f2afc88fb31836551d/FLAG2f28f01b8 [2019-10-02 23:33:34,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36ede018d/20cf6765473a49f2afc88fb31836551d [2019-10-02 23:33:34,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 23:33:34,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 23:33:34,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 23:33:34,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 23:33:34,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 23:33:34,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:33:34" (1/1) ... [2019-10-02 23:33:34,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ccdd927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:33:34, skipping insertion in model container [2019-10-02 23:33:34,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:33:34" (1/1) ... [2019-10-02 23:33:34,620 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 23:33:34,725 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 23:33:36,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 23:33:36,448 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 23:33:36,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 23:33:36,861 INFO L192 MainTranslator]: Completed translation [2019-10-02 23:33:36,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:33:36 WrapperNode [2019-10-02 23:33:36,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 23:33:36,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 23:33:36,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 23:33:36,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 23:33:36,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:33:36" (1/1) ... [2019-10-02 23:33:36,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:33:36" (1/1) ... [2019-10-02 23:33:36,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:33:36" (1/1) ... [2019-10-02 23:33:36,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:33:36" (1/1) ... [2019-10-02 23:33:37,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:33:36" (1/1) ... [2019-10-02 23:33:37,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:33:36" (1/1) ... [2019-10-02 23:33:37,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:33:36" (1/1) ... [2019-10-02 23:33:37,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 23:33:37,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 23:33:37,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 23:33:37,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 23:33:37,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:33:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 23:33:37,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 23:33:37,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 23:33:37,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-02 23:33:37,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-02 23:33:37,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 23:33:37,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 23:33:37,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 23:33:37,303 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 23:33:37,303 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 23:33:37,303 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2019-10-02 23:33:37,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2019-10-02 23:33:37,306 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2019-10-02 23:33:37,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2019-10-02 23:33:37,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2019-10-02 23:33:37,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-02 23:33:37,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-02 23:33:37,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-02 23:33:37,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-02 23:33:37,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-02 23:33:37,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-02 23:33:37,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-02 23:33:37,313 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-02 23:33:37,314 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-02 23:33:37,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-02 23:33:37,315 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-02 23:33:37,315 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-02 23:33:37,316 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2019-10-02 23:33:37,316 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2019-10-02 23:33:37,316 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2019-10-02 23:33:37,316 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2019-10-02 23:33:37,316 INFO L138 BoogieDeclarations]: Found implementation of procedure readable [2019-10-02 23:33:37,317 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum [2019-10-02 23:33:37,317 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2019-10-02 23:33:37,317 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2019-10-02 23:33:37,317 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mem [2019-10-02 23:33:37,317 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2019-10-02 23:33:37,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_common_align [2019-10-02 23:33:37,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_align [2019-10-02 23:33:37,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2019-10-02 23:33:37,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_find_io_region [2019-10-02 23:33:37,318 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2019-10-02 23:33:37,318 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2019-10-02 23:33:37,319 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2019-10-02 23:33:37,319 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2019-10-02 23:33:37,319 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_autoadd_resources [2019-10-02 23:33:37,319 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2019-10-02 23:33:37,319 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2019-10-02 23:33:37,320 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2019-10-02 23:33:37,320 INFO L138 BoogieDeclarations]: Found implementation of procedure store_io_db [2019-10-02 23:33:37,320 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2019-10-02 23:33:37,320 INFO L138 BoogieDeclarations]: Found implementation of procedure store_mem_db [2019-10-02 23:33:37,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2019-10-02 23:33:37,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_remove_rsrc [2019-10-02 23:33:37,321 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_init [2019-10-02 23:33:37,321 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_exit [2019-10-02 23:33:37,321 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 23:33:37,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-10-02 23:33:37,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-02 23:33:37,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-10-02 23:33:37,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2019-10-02 23:33:37,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-02 23:33:37,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-02 23:33:37,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-02 23:33:37,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2019-10-02 23:33:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2019-10-02 23:33:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2019-10-02 23:33:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-10-02 23:33:37,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-02 23:33:37,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-02 23:33:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-10-02 23:33:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-02 23:33:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-10-02 23:33:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2019-10-02 23:33:37,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 23:33:37,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 23:33:37,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-02 23:33:37,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-02 23:33:37,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-02 23:33:37,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-02 23:33:37,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-02 23:33:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-02 23:33:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-02 23:33:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-02 23:33:37,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-02 23:33:37,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-02 23:33:37,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-02 23:33:37,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-02 23:33:37,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-02 23:33:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-02 23:33:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-02 23:33:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-02 23:33:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-02 23:33:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 23:33:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 23:33:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 23:33:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 23:33:37,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 23:33:37,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-02 23:33:37,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-02 23:33:37,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-02 23:33:37,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-02 23:33:37,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-02 23:33:37,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-02 23:33:37,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-02 23:33:37,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 23:33:37,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 23:33:37,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-02 23:33:37,413 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2019-10-02 23:33:37,413 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2019-10-02 23:33:37,413 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_register [2019-10-02 23:33:37,413 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_unregister [2019-10-02 23:33:37,413 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 23:33:37,413 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-10-02 23:33:37,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-02 23:33:37,414 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-02 23:33:37,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_6 [2019-10-02 23:33:37,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_7 [2019-10-02 23:33:37,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_6 [2019-10-02 23:33:37,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_7 [2019-10-02 23:33:37,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-02 23:33:37,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-02 23:33:37,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-02 23:33:37,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2019-10-02 23:33:37,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_parent_resource [2019-10-02 23:33:37,416 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 23:33:37,416 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-10-02 23:33:37,416 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2019-10-02 23:33:37,416 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-02 23:33:37,417 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-02 23:33:37,417 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 23:33:37,417 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 23:33:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 23:33:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-02 23:33:37,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-02 23:33:37,418 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-02 23:33:37,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-02 23:33:37,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-02 23:33:37,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-02 23:33:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-02 23:33:37,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-02 23:33:37,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-02 23:33:37,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-02 23:33:37,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-02 23:33:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-02 23:33:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-02 23:33:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-02 23:33:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 23:33:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 23:33:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 23:33:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 23:33:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 23:33:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 23:33:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 23:33:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 23:33:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 23:33:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 23:33:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 23:33:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 23:33:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2019-10-02 23:33:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2019-10-02 23:33:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 23:33:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 23:33:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2019-10-02 23:33:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 23:33:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_6 [2019-10-02 23:33:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_7 [2019-10-02 23:33:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_7 [2019-10-02 23:33:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_6 [2019-10-02 23:33:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2019-10-02 23:33:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2019-10-02 23:33:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 23:33:37,427 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 23:33:37,427 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-02 23:33:37,427 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-02 23:33:37,427 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-02 23:33:37,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2019-10-02 23:33:37,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-02 23:33:37,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-02 23:33:37,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-02 23:33:37,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2019-10-02 23:33:37,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-10-02 23:33:37,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-02 23:33:37,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-02 23:33:37,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2019-10-02 23:33:37,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-10-02 23:33:37,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-10-02 23:33:37,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-02 23:33:37,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2019-10-02 23:33:37,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2019-10-02 23:33:37,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-02 23:33:37,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-10-02 23:33:37,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-10-02 23:33:37,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-02 23:33:37,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-02 23:33:37,430 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2019-10-02 23:33:37,430 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-10-02 23:33:37,431 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2019-10-02 23:33:37,431 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2019-10-02 23:33:37,431 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-02 23:33:37,431 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-02 23:33:37,431 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-02 23:33:37,431 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-02 23:33:37,431 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-02 23:33:37,431 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-02 23:33:37,432 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-02 23:33:37,432 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-02 23:33:37,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 23:33:37,432 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 23:33:37,432 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_register [2019-10-02 23:33:37,432 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_unregister [2019-10-02 23:33:37,432 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-02 23:33:37,433 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 23:33:37,433 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-10-02 23:33:37,433 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_parent_resource [2019-10-02 23:33:37,433 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2019-10-02 23:33:37,433 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2019-10-02 23:33:37,433 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2019-10-02 23:33:37,433 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2019-10-02 23:33:37,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 23:33:37,434 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2019-10-02 23:33:37,434 INFO L130 BoogieDeclarations]: Found specification of procedure readable [2019-10-02 23:33:37,434 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-02 23:33:37,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 23:33:37,434 INFO L130 BoogieDeclarations]: Found specification of procedure checksum [2019-10-02 23:33:37,434 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2019-10-02 23:33:37,435 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-02 23:33:37,435 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2019-10-02 23:33:37,435 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mem [2019-10-02 23:33:37,435 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2019-10-02 23:33:37,435 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_common_align [2019-10-02 23:33:37,435 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_align [2019-10-02 23:33:37,435 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2019-10-02 23:33:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_find_io_region [2019-10-02 23:33:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2019-10-02 23:33:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2019-10-02 23:33:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2019-10-02 23:33:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2019-10-02 23:33:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_autoadd_resources [2019-10-02 23:33:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2019-10-02 23:33:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2019-10-02 23:33:37,437 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2019-10-02 23:33:37,437 INFO L130 BoogieDeclarations]: Found specification of procedure store_io_db [2019-10-02 23:33:37,437 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2019-10-02 23:33:37,437 INFO L130 BoogieDeclarations]: Found specification of procedure store_mem_db [2019-10-02 23:33:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2019-10-02 23:33:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_remove_rsrc [2019-10-02 23:33:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_init [2019-10-02 23:33:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_exit [2019-10-02 23:33:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 23:33:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 23:33:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 23:33:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 23:33:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-02 23:33:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-02 23:33:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-02 23:33:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-02 23:33:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-02 23:33:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-02 23:33:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-02 23:33:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-02 23:33:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-02 23:33:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-02 23:33:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-02 23:33:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-02 23:33:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-02 23:33:37,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 23:33:37,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 23:33:37,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-02 23:33:37,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-02 23:33:37,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-02 23:33:37,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-02 23:33:37,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-02 23:33:37,454 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 23:33:37,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 23:33:37,454 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 23:33:37,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 23:33:37,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 23:33:37,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 23:33:37,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 23:33:40,916 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 23:33:40,917 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 23:33:40,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:33:40 BoogieIcfgContainer [2019-10-02 23:33:40,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 23:33:40,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 23:33:40,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 23:33:40,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 23:33:40,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 11:33:34" (1/3) ... [2019-10-02 23:33:40,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e6220a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:33:40, skipping insertion in model container [2019-10-02 23:33:40,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:33:36" (2/3) ... [2019-10-02 23:33:40,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e6220a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:33:40, skipping insertion in model container [2019-10-02 23:33:40,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:33:40" (3/3) ... [2019-10-02 23:33:40,927 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-10-02 23:33:40,937 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 23:33:40,947 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 23:33:40,964 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 23:33:40,992 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 23:33:40,992 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-02 23:33:40,992 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 23:33:40,992 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 23:33:40,993 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 23:33:40,993 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 23:33:40,993 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 23:33:40,993 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 23:33:41,027 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states. [2019-10-02 23:33:41,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-02 23:33:41,048 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:41,049 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:33:41,051 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:41,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:41,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1883563716, now seen corresponding path program 1 times [2019-10-02 23:33:41,060 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:41,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:41,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:41,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:41,141 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:41,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:33:41,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:41,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:33:41,627 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:41,633 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:33:41,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:33:41,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:41,651 INFO L87 Difference]: Start difference. First operand 971 states. Second operand 3 states. [2019-10-02 23:33:41,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:41,909 INFO L93 Difference]: Finished difference Result 1638 states and 2232 transitions. [2019-10-02 23:33:41,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:33:41,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-10-02 23:33:41,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:41,955 INFO L225 Difference]: With dead ends: 1638 [2019-10-02 23:33:41,956 INFO L226 Difference]: Without dead ends: 1624 [2019-10-02 23:33:41,958 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:41,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2019-10-02 23:33:42,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1603. [2019-10-02 23:33:42,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1603 states. [2019-10-02 23:33:42,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 2195 transitions. [2019-10-02 23:33:42,160 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 2195 transitions. Word has length 37 [2019-10-02 23:33:42,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:42,163 INFO L475 AbstractCegarLoop]: Abstraction has 1603 states and 2195 transitions. [2019-10-02 23:33:42,163 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:33:42,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2195 transitions. [2019-10-02 23:33:42,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-02 23:33:42,168 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:42,168 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:33:42,169 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:42,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:42,169 INFO L82 PathProgramCache]: Analyzing trace with hash -633769266, now seen corresponding path program 1 times [2019-10-02 23:33:42,169 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:42,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:42,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:42,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:42,183 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:42,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:33:42,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:42,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:33:42,335 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:42,337 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:33:42,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:33:42,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:42,337 INFO L87 Difference]: Start difference. First operand 1603 states and 2195 transitions. Second operand 3 states. [2019-10-02 23:33:42,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:42,572 INFO L93 Difference]: Finished difference Result 3154 states and 4325 transitions. [2019-10-02 23:33:42,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:33:42,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-02 23:33:42,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:42,607 INFO L225 Difference]: With dead ends: 3154 [2019-10-02 23:33:42,608 INFO L226 Difference]: Without dead ends: 3154 [2019-10-02 23:33:42,617 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:42,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3154 states. [2019-10-02 23:33:42,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3154 to 3150. [2019-10-02 23:33:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3150 states. [2019-10-02 23:33:42,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4322 transitions. [2019-10-02 23:33:42,777 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4322 transitions. Word has length 34 [2019-10-02 23:33:42,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:42,777 INFO L475 AbstractCegarLoop]: Abstraction has 3150 states and 4322 transitions. [2019-10-02 23:33:42,778 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:33:42,778 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4322 transitions. [2019-10-02 23:33:42,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-02 23:33:42,780 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:42,781 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:33:42,781 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:42,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:42,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1131553523, now seen corresponding path program 1 times [2019-10-02 23:33:42,782 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:42,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:42,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:42,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:42,797 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:43,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:33:43,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:43,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:33:43,003 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:43,004 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:33:43,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:33:43,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:43,004 INFO L87 Difference]: Start difference. First operand 3150 states and 4322 transitions. Second operand 3 states. [2019-10-02 23:33:43,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:43,129 INFO L93 Difference]: Finished difference Result 6141 states and 8413 transitions. [2019-10-02 23:33:43,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:33:43,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-10-02 23:33:43,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:43,170 INFO L225 Difference]: With dead ends: 6141 [2019-10-02 23:33:43,170 INFO L226 Difference]: Without dead ends: 6141 [2019-10-02 23:33:43,171 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:43,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6141 states. [2019-10-02 23:33:43,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6141 to 6120. [2019-10-02 23:33:43,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6120 states. [2019-10-02 23:33:43,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6120 states to 6120 states and 8390 transitions. [2019-10-02 23:33:43,419 INFO L78 Accepts]: Start accepts. Automaton has 6120 states and 8390 transitions. Word has length 39 [2019-10-02 23:33:43,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:43,419 INFO L475 AbstractCegarLoop]: Abstraction has 6120 states and 8390 transitions. [2019-10-02 23:33:43,419 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:33:43,419 INFO L276 IsEmpty]: Start isEmpty. Operand 6120 states and 8390 transitions. [2019-10-02 23:33:43,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-02 23:33:43,421 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:43,422 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:33:43,422 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:43,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:43,422 INFO L82 PathProgramCache]: Analyzing trace with hash 374043500, now seen corresponding path program 1 times [2019-10-02 23:33:43,422 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:43,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:43,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:43,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:43,432 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:43,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:33:43,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:43,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:33:43,667 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:43,667 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:33:43,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:33:43,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:43,668 INFO L87 Difference]: Start difference. First operand 6120 states and 8390 transitions. Second operand 3 states. [2019-10-02 23:33:43,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:43,921 INFO L93 Difference]: Finished difference Result 6119 states and 8388 transitions. [2019-10-02 23:33:43,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:33:43,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-10-02 23:33:43,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:43,959 INFO L225 Difference]: With dead ends: 6119 [2019-10-02 23:33:43,959 INFO L226 Difference]: Without dead ends: 6119 [2019-10-02 23:33:43,959 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:43,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6119 states. [2019-10-02 23:33:44,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6119 to 6119. [2019-10-02 23:33:44,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6119 states. [2019-10-02 23:33:44,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6119 states to 6119 states and 8388 transitions. [2019-10-02 23:33:44,150 INFO L78 Accepts]: Start accepts. Automaton has 6119 states and 8388 transitions. Word has length 38 [2019-10-02 23:33:44,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:44,150 INFO L475 AbstractCegarLoop]: Abstraction has 6119 states and 8388 transitions. [2019-10-02 23:33:44,151 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:33:44,151 INFO L276 IsEmpty]: Start isEmpty. Operand 6119 states and 8388 transitions. [2019-10-02 23:33:44,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-02 23:33:44,153 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:44,153 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:33:44,153 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:44,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:44,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1290066999, now seen corresponding path program 1 times [2019-10-02 23:33:44,154 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:44,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:44,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:44,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:44,161 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:44,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:33:44,499 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:44,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:33:44,499 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:44,499 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:33:44,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:33:44,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:44,500 INFO L87 Difference]: Start difference. First operand 6119 states and 8388 transitions. Second operand 3 states. [2019-10-02 23:33:44,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:44,696 INFO L93 Difference]: Finished difference Result 6118 states and 8386 transitions. [2019-10-02 23:33:44,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:33:44,697 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-10-02 23:33:44,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:44,737 INFO L225 Difference]: With dead ends: 6118 [2019-10-02 23:33:44,737 INFO L226 Difference]: Without dead ends: 6118 [2019-10-02 23:33:44,738 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:44,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6118 states. [2019-10-02 23:33:44,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6118 to 6118. [2019-10-02 23:33:44,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6118 states. [2019-10-02 23:33:44,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6118 states to 6118 states and 8386 transitions. [2019-10-02 23:33:44,916 INFO L78 Accepts]: Start accepts. Automaton has 6118 states and 8386 transitions. Word has length 39 [2019-10-02 23:33:44,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:44,917 INFO L475 AbstractCegarLoop]: Abstraction has 6118 states and 8386 transitions. [2019-10-02 23:33:44,917 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:33:44,917 INFO L276 IsEmpty]: Start isEmpty. Operand 6118 states and 8386 transitions. [2019-10-02 23:33:44,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-02 23:33:44,918 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:44,919 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:33:44,919 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:44,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:44,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1337880049, now seen corresponding path program 1 times [2019-10-02 23:33:44,919 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:44,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:44,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:44,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:44,927 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:45,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:33:45,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:45,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:33:45,032 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:45,032 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:33:45,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:33:45,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:45,033 INFO L87 Difference]: Start difference. First operand 6118 states and 8386 transitions. Second operand 3 states. [2019-10-02 23:33:45,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:45,239 INFO L93 Difference]: Finished difference Result 6117 states and 8384 transitions. [2019-10-02 23:33:45,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:33:45,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-10-02 23:33:45,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:45,272 INFO L225 Difference]: With dead ends: 6117 [2019-10-02 23:33:45,272 INFO L226 Difference]: Without dead ends: 6117 [2019-10-02 23:33:45,273 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:45,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6117 states. [2019-10-02 23:33:45,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6117 to 6117. [2019-10-02 23:33:45,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6117 states. [2019-10-02 23:33:45,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6117 states to 6117 states and 8384 transitions. [2019-10-02 23:33:45,425 INFO L78 Accepts]: Start accepts. Automaton has 6117 states and 8384 transitions. Word has length 40 [2019-10-02 23:33:45,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:45,425 INFO L475 AbstractCegarLoop]: Abstraction has 6117 states and 8384 transitions. [2019-10-02 23:33:45,425 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:33:45,426 INFO L276 IsEmpty]: Start isEmpty. Operand 6117 states and 8384 transitions. [2019-10-02 23:33:45,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-02 23:33:45,427 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:45,427 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:33:45,428 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:45,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:45,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1474887564, now seen corresponding path program 1 times [2019-10-02 23:33:45,428 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:45,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:45,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:45,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:45,435 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:45,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:33:45,522 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:45,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:33:45,522 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:45,522 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:33:45,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:33:45,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:45,524 INFO L87 Difference]: Start difference. First operand 6117 states and 8384 transitions. Second operand 3 states. [2019-10-02 23:33:45,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:45,762 INFO L93 Difference]: Finished difference Result 7383 states and 10034 transitions. [2019-10-02 23:33:45,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:33:45,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-10-02 23:33:45,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:45,813 INFO L225 Difference]: With dead ends: 7383 [2019-10-02 23:33:45,813 INFO L226 Difference]: Without dead ends: 7370 [2019-10-02 23:33:45,814 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:45,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7370 states. [2019-10-02 23:33:46,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7370 to 7320. [2019-10-02 23:33:46,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7320 states. [2019-10-02 23:33:46,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7320 states to 7320 states and 9965 transitions. [2019-10-02 23:33:46,145 INFO L78 Accepts]: Start accepts. Automaton has 7320 states and 9965 transitions. Word has length 41 [2019-10-02 23:33:46,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:46,148 INFO L475 AbstractCegarLoop]: Abstraction has 7320 states and 9965 transitions. [2019-10-02 23:33:46,148 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:33:46,149 INFO L276 IsEmpty]: Start isEmpty. Operand 7320 states and 9965 transitions. [2019-10-02 23:33:46,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-02 23:33:46,157 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:46,158 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:33:46,158 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:46,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:46,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1002028891, now seen corresponding path program 1 times [2019-10-02 23:33:46,159 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:46,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:46,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:46,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:46,168 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:46,326 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 23:33:46,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:46,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:33:46,326 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:46,327 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:33:46,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:33:46,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:46,328 INFO L87 Difference]: Start difference. First operand 7320 states and 9965 transitions. Second operand 3 states. [2019-10-02 23:33:46,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:46,543 INFO L93 Difference]: Finished difference Result 7318 states and 9902 transitions. [2019-10-02 23:33:46,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:33:46,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-10-02 23:33:46,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:46,571 INFO L225 Difference]: With dead ends: 7318 [2019-10-02 23:33:46,572 INFO L226 Difference]: Without dead ends: 7318 [2019-10-02 23:33:46,572 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:46,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7318 states. [2019-10-02 23:33:46,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7318 to 7286. [2019-10-02 23:33:46,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7286 states. [2019-10-02 23:33:46,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7286 states to 7286 states and 9871 transitions. [2019-10-02 23:33:46,786 INFO L78 Accepts]: Start accepts. Automaton has 7286 states and 9871 transitions. Word has length 77 [2019-10-02 23:33:46,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:46,787 INFO L475 AbstractCegarLoop]: Abstraction has 7286 states and 9871 transitions. [2019-10-02 23:33:46,787 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:33:46,787 INFO L276 IsEmpty]: Start isEmpty. Operand 7286 states and 9871 transitions. [2019-10-02 23:33:46,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-02 23:33:46,807 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:46,808 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:33:46,808 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:46,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:46,808 INFO L82 PathProgramCache]: Analyzing trace with hash 897760997, now seen corresponding path program 1 times [2019-10-02 23:33:46,809 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:46,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:46,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:46,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:46,821 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:46,977 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-02 23:33:46,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:46,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:33:46,977 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:46,978 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:33:46,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:33:46,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:46,979 INFO L87 Difference]: Start difference. First operand 7286 states and 9871 transitions. Second operand 3 states. [2019-10-02 23:33:47,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:47,146 INFO L93 Difference]: Finished difference Result 14385 states and 19419 transitions. [2019-10-02 23:33:47,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:33:47,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-10-02 23:33:47,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:47,283 INFO L225 Difference]: With dead ends: 14385 [2019-10-02 23:33:47,283 INFO L226 Difference]: Without dead ends: 14385 [2019-10-02 23:33:47,284 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:47,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14385 states. [2019-10-02 23:33:47,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14385 to 14366. [2019-10-02 23:33:47,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14366 states. [2019-10-02 23:33:47,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14366 states to 14366 states and 19401 transitions. [2019-10-02 23:33:47,648 INFO L78 Accepts]: Start accepts. Automaton has 14366 states and 19401 transitions. Word has length 149 [2019-10-02 23:33:47,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:47,648 INFO L475 AbstractCegarLoop]: Abstraction has 14366 states and 19401 transitions. [2019-10-02 23:33:47,649 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:33:47,649 INFO L276 IsEmpty]: Start isEmpty. Operand 14366 states and 19401 transitions. [2019-10-02 23:33:47,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-02 23:33:47,679 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:47,679 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:33:47,680 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:47,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:47,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1669055563, now seen corresponding path program 1 times [2019-10-02 23:33:47,680 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:47,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:47,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:47,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:47,688 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:47,824 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-02 23:33:47,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:47,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:33:47,824 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:47,825 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:33:47,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:33:47,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:47,826 INFO L87 Difference]: Start difference. First operand 14366 states and 19401 transitions. Second operand 3 states. [2019-10-02 23:33:48,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:48,037 INFO L93 Difference]: Finished difference Result 24613 states and 33147 transitions. [2019-10-02 23:33:48,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:33:48,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-10-02 23:33:48,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:48,132 INFO L225 Difference]: With dead ends: 24613 [2019-10-02 23:33:48,133 INFO L226 Difference]: Without dead ends: 24613 [2019-10-02 23:33:48,133 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:48,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24613 states. [2019-10-02 23:33:49,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24613 to 24594. [2019-10-02 23:33:49,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24594 states. [2019-10-02 23:33:49,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24594 states to 24594 states and 33129 transitions. [2019-10-02 23:33:49,404 INFO L78 Accepts]: Start accepts. Automaton has 24594 states and 33129 transitions. Word has length 150 [2019-10-02 23:33:49,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:49,404 INFO L475 AbstractCegarLoop]: Abstraction has 24594 states and 33129 transitions. [2019-10-02 23:33:49,404 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:33:49,405 INFO L276 IsEmpty]: Start isEmpty. Operand 24594 states and 33129 transitions. [2019-10-02 23:33:49,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-02 23:33:49,481 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:49,482 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:33:49,482 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:49,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:49,483 INFO L82 PathProgramCache]: Analyzing trace with hash 911374317, now seen corresponding path program 1 times [2019-10-02 23:33:49,483 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:49,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:49,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:49,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:49,492 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:49,642 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-02 23:33:49,642 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:49,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:33:49,643 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:49,643 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:33:49,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:33:49,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:49,644 INFO L87 Difference]: Start difference. First operand 24594 states and 33129 transitions. Second operand 3 states. [2019-10-02 23:33:49,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:49,811 INFO L93 Difference]: Finished difference Result 24618 states and 33153 transitions. [2019-10-02 23:33:49,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:33:49,811 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-10-02 23:33:49,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:49,906 INFO L225 Difference]: With dead ends: 24618 [2019-10-02 23:33:49,906 INFO L226 Difference]: Without dead ends: 24618 [2019-10-02 23:33:49,908 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:49,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24618 states. [2019-10-02 23:33:50,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24618 to 24618. [2019-10-02 23:33:50,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24618 states. [2019-10-02 23:33:50,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24618 states to 24618 states and 33153 transitions. [2019-10-02 23:33:50,684 INFO L78 Accepts]: Start accepts. Automaton has 24618 states and 33153 transitions. Word has length 172 [2019-10-02 23:33:50,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:50,684 INFO L475 AbstractCegarLoop]: Abstraction has 24618 states and 33153 transitions. [2019-10-02 23:33:50,684 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:33:50,684 INFO L276 IsEmpty]: Start isEmpty. Operand 24618 states and 33153 transitions. [2019-10-02 23:33:50,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-02 23:33:50,752 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:50,752 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:33:50,752 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:50,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:50,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1926514753, now seen corresponding path program 1 times [2019-10-02 23:33:50,753 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:50,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:50,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:50,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:50,761 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:51,448 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-02 23:33:51,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:51,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-10-02 23:33:51,448 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:51,449 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-02 23:33:51,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-02 23:33:51,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2019-10-02 23:33:51,451 INFO L87 Difference]: Start difference. First operand 24618 states and 33153 transitions. Second operand 17 states. [2019-10-02 23:33:51,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:51,936 INFO L93 Difference]: Finished difference Result 26402 states and 35617 transitions. [2019-10-02 23:33:51,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-02 23:33:51,937 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 173 [2019-10-02 23:33:51,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:52,053 INFO L225 Difference]: With dead ends: 26402 [2019-10-02 23:33:52,054 INFO L226 Difference]: Without dead ends: 26402 [2019-10-02 23:33:52,054 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2019-10-02 23:33:52,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26402 states. [2019-10-02 23:33:53,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26402 to 25538. [2019-10-02 23:33:53,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25538 states. [2019-10-02 23:33:53,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25538 states to 25538 states and 34265 transitions. [2019-10-02 23:33:53,483 INFO L78 Accepts]: Start accepts. Automaton has 25538 states and 34265 transitions. Word has length 173 [2019-10-02 23:33:53,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:53,484 INFO L475 AbstractCegarLoop]: Abstraction has 25538 states and 34265 transitions. [2019-10-02 23:33:53,484 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-10-02 23:33:53,484 INFO L276 IsEmpty]: Start isEmpty. Operand 25538 states and 34265 transitions. [2019-10-02 23:33:53,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-10-02 23:33:53,544 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:53,544 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:33:53,545 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:53,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:53,545 INFO L82 PathProgramCache]: Analyzing trace with hash 375323277, now seen corresponding path program 1 times [2019-10-02 23:33:53,545 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:53,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:53,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:53,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:53,555 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:54,969 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-02 23:33:54,970 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 23:33:54,970 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-02 23:33:54,972 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2019-10-02 23:33:54,977 INFO L207 CegarAbsIntRunner]: [77], [78], [79], [80], [91], [167], [170], [172], [174], [268], [270], [271], [299], [301], [302], [323], [330], [337], [344], [369], [374], [375], [413], [415], [421], [441], [443], [448], [450], [451], [452], [455], [461], [465], [468], [472], [476], [488], [536], [796], [797], [940], [942], [943], [944], [946], [948], [960], [1005], [1017], [1062], [1107], [1110], [1113], [1126], [1129], [1132], [1191], [1194], [1197], [1209], [1212], [1215], [1217], [1222], [1225], [1419], [1421], [1423], [1426], [1429], [1618], [1631], [1633], [1636], [1666], [1671], [1676], [1681], [1710], [1712], [1713], [1714], [1715], [1958], [1960], [1961], [1976], [1978], [1979], [2188], [2193], [2198], [2201], [2206], [2242], [2244], [2245], [2333], [2351], [2352], [2371], [2372], [2379], [2380], [2391], [2399], [2401], [2402], [2403], [2471], [2472], [2473], [2474], [2493], [2503], [2504], [2537], [2538], [2539], [2540], [2541], [2575], [2576], [2577], [2585], [2589], [2590], [2643], [2644], [2647], [2648], [2707], [2708], [2709], [2711], [2713], [2714] [2019-10-02 23:33:55,056 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-02 23:33:55,056 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-02 23:33:55,228 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-02 23:33:55,230 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 224 root evaluator evaluations with a maximum evaluation depth of 0. Performed 224 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 396 variables. [2019-10-02 23:33:55,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:55,236 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-02 23:33:55,350 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-02 23:33:55,350 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-02 23:33:55,355 INFO L420 sIntCurrentIteration]: We unified 181 AI predicates to 181 [2019-10-02 23:33:55,355 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-02 23:33:55,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 23:33:55,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [21] total 21 [2019-10-02 23:33:55,356 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:55,357 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-02 23:33:55,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-02 23:33:55,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 23:33:55,358 INFO L87 Difference]: Start difference. First operand 25538 states and 34265 transitions. Second operand 2 states. [2019-10-02 23:33:55,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:55,358 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-02 23:33:55,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-02 23:33:55,358 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 182 [2019-10-02 23:33:55,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:55,359 INFO L225 Difference]: With dead ends: 2 [2019-10-02 23:33:55,359 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 23:33:55,359 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 23:33:55,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 23:33:55,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 23:33:55,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 23:33:55,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 23:33:55,360 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 182 [2019-10-02 23:33:55,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:55,360 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 23:33:55,360 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-02 23:33:55,361 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 23:33:55,361 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 23:33:55,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 11:33:55 BoogieIcfgContainer [2019-10-02 23:33:55,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 23:33:55,369 INFO L168 Benchmark]: Toolchain (without parser) took 20768.64 ms. Allocated memory was 141.0 MB in the beginning and 862.5 MB in the end (delta: 721.4 MB). Free memory was 82.2 MB in the beginning and 381.5 MB in the end (delta: -299.3 MB). Peak memory consumption was 422.1 MB. Max. memory is 7.1 GB. [2019-10-02 23:33:55,370 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-02 23:33:55,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2262.28 ms. Allocated memory was 141.0 MB in the beginning and 220.7 MB in the end (delta: 79.7 MB). Free memory was 81.9 MB in the beginning and 106.5 MB in the end (delta: -24.6 MB). Peak memory consumption was 69.0 MB. Max. memory is 7.1 GB. [2019-10-02 23:33:55,371 INFO L168 Benchmark]: Boogie Preprocessor took 336.64 ms. Allocated memory is still 220.7 MB. Free memory was 106.5 MB in the beginning and 90.3 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-10-02 23:33:55,372 INFO L168 Benchmark]: RCFGBuilder took 3718.08 ms. Allocated memory was 220.7 MB in the beginning and 350.2 MB in the end (delta: 129.5 MB). Free memory was 90.3 MB in the beginning and 232.2 MB in the end (delta: -141.9 MB). Peak memory consumption was 70.6 MB. Max. memory is 7.1 GB. [2019-10-02 23:33:55,373 INFO L168 Benchmark]: TraceAbstraction took 14445.84 ms. Allocated memory was 350.2 MB in the beginning and 862.5 MB in the end (delta: 512.2 MB). Free memory was 232.2 MB in the beginning and 381.5 MB in the end (delta: -149.3 MB). Peak memory consumption was 362.9 MB. Max. memory is 7.1 GB. [2019-10-02 23:33:55,377 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2262.28 ms. Allocated memory was 141.0 MB in the beginning and 220.7 MB in the end (delta: 79.7 MB). Free memory was 81.9 MB in the beginning and 106.5 MB in the end (delta: -24.6 MB). Peak memory consumption was 69.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 336.64 ms. Allocated memory is still 220.7 MB. Free memory was 106.5 MB in the beginning and 90.3 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3718.08 ms. Allocated memory was 220.7 MB in the beginning and 350.2 MB in the end (delta: 129.5 MB). Free memory was 90.3 MB in the beginning and 232.2 MB in the end (delta: -141.9 MB). Peak memory consumption was 70.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14445.84 ms. Allocated memory was 350.2 MB in the beginning and 862.5 MB in the end (delta: 512.2 MB). Free memory was 232.2 MB in the beginning and 381.5 MB in the end (delta: -149.3 MB). Peak memory consumption was 362.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4374]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 131 procedures, 1124 locations, 1 error locations. SAFE Result, 14.3s OverallTime, 13 OverallIterations, 2 TraceHistogramMax, 3.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15889 SDtfs, 10242 SDslu, 24907 SDs, 0 SdLazy, 274 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25538occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 3.276243093922652 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 5.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 1030 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1171 NumberOfCodeBlocks, 1171 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1158 ConstructedInterpolants, 0 QuantifiedInterpolants, 267708 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 174/199 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...